Common Interface Signals - 2.4 English

Video Frame Buffer Read and Video Frame Buffer Write (PG278)
Document ID
PG278
Release Date
2022-05-11
Version
2.4 English

Table: Common Interface Signals summarizes the signals which are either shared by, or not part of the dedicated AXI4-Stream, memory mapped AXI4 data, or AXI4-Lite control interfaces.

Table 2-1: Common Interface Signals

Signal Name

I/O

Width

Description

ap_clk

I

1

Video core clock

ap_rst_n

I

1

Video core active-Low clock enable

interrupt

O

1

Interrupt Request Pin

field_id

O (Frame Buffer Read)

1

Field polarity (only available when interlaced support is selected)

I (Frame Buffer Write)

The ap_clk and ap_rst_n signals are shared between the core, the AXI4-Stream, memory mapped AXI4 data interface, and the AXI4-Lite control interface.